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Since the withdrawal of methamidophos, avermectin has become the main pesticide in the market such as rice. However, with the rise of pesticides such as chlorantraniliprole, the resistance of avermectin has increased, and avermectin has gradually fallen into one. "Dispensing".
Abamectin control objects:
As insecticides : mainly lepidopteran pests, rice leafhopper, rice stem borer, diamondback moth, cotton bollworm, leaf miner and so on.
As an acaricide: red spider, yellow spider, rust tick.
As a nematicidal: root knot nematode.
Application method: spraying, rooting, granule application can be applied.
Problems with avermectin:
The effect of avermectin on the control of lepidopteran pests has been poor, and the effect on P. xylostella is poor, and the resistance on P. rapae is also increasing. At present, the dosage form of avermectin is mainly emulsifiable concentrate, water emulsion, etc. The emulsifiable concentrate accounts for about 80%. The emulsifiable concentrate needs to consume a large amount of xylene solvent, which is a non-environmental pesticide . In the past, avermectin was made with ointment. Cheng, which contains some unknown ingredients, the effect is good, and now generally made of fine powder, the user reflects the effect is not as good as the previous "avermectin".
Current use of avermectin:
When avermectin is currently used, it is generally recommended to use other agents together.
Control lepidopteran pests such as rice leafhopper: Avi chlorpyrifos, Avi oxadicarb, Avi methoxy hydrazide, Avi chlorantraniliprole. In the past two years, avermectin has been used more in rice stem borer. Pesticide manufacturers have promoted high-dose avermectin to prevent and control resistant borer. The effect is not bad. Generally, other hexaflumuron needs to be compounded. Pharmacy.
The control cockroaches can be: Avi snail ester, Avi ethazole, etc.
The control of root-knot nematodes is generally: avid thiazolyl, for the need to restore the root system, it is generally added to the sea elf bio-stimulant together.
Avermectin, once the king, is somewhat indulged, but the market sales are still huge, and will occupy a certain position in the pesticide stage in the future.
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